Sales & Client Development Manager

About the role

Mainstream is seeking a proactive Sales & Client Development Manager to drive new client acquisition and expand its portfolio in cloud operations. You will own the full sales journey, from prospecting to closing, while collaborating closely with presales and technical teams.

Key responsibilities

• Identify, approach, and acquire new clients in line with Mainstream’s growth objectives.
• Generate business opportunities through prospecting, market research, networking, referrals, and direct outreach.
• Build relationships with key decision‑makers, understand their challenges, and position Mainstream’s solutions.
• Manage the end‑to‑end sales cycle: outreach, discovery, proposal development, negotiation, and contract closing.
• Collaborate with presales and technical teams to translate client needs into tailored solutions and commercial proposals.
• Maintain a healthy sales pipeline and continuously monitor market trends and competitor activity.

Required profile

• Bachelor’s degree in business, economics, or technical sciences (preferred).
• Proven B2B sales and business development experience, preferably in IT, cloud, telecommunications, or managed services.
• Demonstrated ability to generate new business independently, from prospect identification to closing.
• Strong communication, presentation, negotiation, and relationship‑building skills.
• Native Serbian language proficiency and professional working proficiency in English.

What we offer

• Work with solutions that make a difference.
• Own your market and opportunities.
• Collaborate with technology experts.
• Make a visible business impact.
• Use modern tools to work smarter.
• Build lasting relationships.